What is the name of the metal which exists in liquid state at room temperature?
When the liquid is spun rapidly, the denser particles are forced to the bottom and the lighter particles stay at the top. This principle is used in:
Which of the following elements is not a metalloid?
If we put camphor in an open container, its amount keeps on decreasing due to the phenomenon of
The continuous zig-zag movement of colloidal particles in a dispersion medium is called